Fire Zone Wiring | DSCover Satellite Products PC1555MX manual

To enable normally closed loops, programming section [013], option [1] must be ON.

NOTE: This option should only be selected if Normally Closed (NC) detection devices or contacts are being used.

Single End Of Line (EOL) Resistors (5600Ω)

To enable panel detection of single end of line resistors, pro- gramming section [013], Options [1] and [2] must be OFF.

NOTE: This option should be selected if either Normally Closed (NC) or Normally Open (NO) detection devices or con- tacts are being used.

Double End of Line (DEOL) Resistors

Double End of Line resistors allow the panel to determine if the zone is in alarm, tampered or faulted.

To enable panel detection of double end of line resistors, pro- gramming section [013], Option [1] must be OFF and option [2] must be ON.

NOTE: If the Double EOL supervision option is enabled, all hardwire zones on the main panel must be wired for Double EOL resistors, except for Fire and 24 Hour Supervisory zones.

NOTE: Do not wire DEOL resistors on keypad zones.

NOTE: Do not use DEOL resistors for Fire zones or 24 Hour Supervisory zones. Do not wire Fire zones to keypad zone ter- minals if the DEOL supervision option is selected.

2.10 Fire Zone Wiring

4-Wire Smoke Detectors

All fire zones must be wired according to the following dia- gram:

2-Wire Smoke Detectors (50/300 only)

The following 2-wire smoke detectors may be used: ESL429AT and DSC MN220. If PGM2 has been programmed for a 2-wire Smoke Detector connection, the detectors must be wired according to the following diagram:

NOTE: If PGM2 is programmed for 2-wire smoke support, the connector JP1 on the main board must be removed.

NOTE: 2-wire smoke detectors are not supported on 50/50 version of the panel.

2.11 24-Hr Auxiliary Input Wiring (PGM2)

If PGM2 has been programmed for 24-hour operation, the zone must be wired according to the following diagram:

NOTE: If PGM2 is pro- grammed for 24-Hr Auxil- iary Input support, the connector JP1 on the main board must be removed.

NOTE: This option can only be selected if Normally Closed (NC) detection devices or contacts are being used.

NOTE: Only one NC contact can be connected to each zone. Wiring multiple detection devices or contacts on a single loop is not allowed.

The following chart shows zone status under certain conditions:

Loop Resistance	Loop Status
0Ω (shorted wire, loop shorted)	Fault
5600Ω (contact closed)	Secure
Infinite (broken wire, loop open)	Tamper
11200Ω (contact open)	Violated

End of Line Resistors. . . . . . . . . . . . . . . . . . Section [013]: [1]

Double End of Line Resistors . . . . . . . . . . . Section [013]: [2]

2.12 LINKS Zone Wiring*

LINKS Support

When using the LINKS1000 cellular communicator, con- nect the LINKS to the main panel according to the fol- lowing diagram:

WWW.DIYALARMFORUM.COM	*Not investigated by UL.
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PC1555MX specifications

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